What is baseline in software testing?

A reference point of approved project artifacts against which changes, test progress, and results are compared to ensure consistency and quality.

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A baseline is essentially the “locked” version of requirements, test cases, or code that teams agree on before testing begins. It helps track deviations, maintain version control, and make sure everyone is testing against the same expectations rather than shifting targets that change mid-project.

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Think of baseline as a checkpoint. Once requirements or documents are finalized, they become a baseline so testers can validate the product consistently. If something changes later, teams can compare against the baseline to see what was impacted and control scope creep properly.

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